$NetBSD: tpm.4,v 1.7 2021/01/19 05:05:39 riastradh Exp $
Copyright (c) 2019 The NetBSD Foundation, Inc.
All rights reserved.
This code is derived from software contributed to The NetBSD Foundation
by Maxime Villard.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
.Dd January 15, 2021 .Dt TPM 4 .Os .Sh NAME .Nm tpm .Nd Trusted Platform Module .Sh SYNOPSIS .Cd "tpm* at isa? iomem 0xfed40000" .Cd "tpm* at acpi?" .Sh DESCRIPTION The .Nm driver provides support for various Trusted Platform Module (TPM) chips.
Copyright (c) 2019 The NetBSD Foundation, Inc.
All rights reserved.
This code is derived from software contributed to The NetBSD Foundation
by Maxime Villard.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
.Dd January 15, 2021 .Dt TPM 4 .Os .Sh NAME .Nm tpm .Nd Trusted Platform Module .Sh SYNOPSIS .Cd "tpm* at isa? iomem 0xfed40000" .Cd "tpm* at acpi?" .Sh DESCRIPTION The .Nm driver provides support for various Trusted Platform Module (TPM) chips.
p Supported modules:
p l -bullet -compact -offset indent t TPM 2.0 chips over ACPI t TPM 1.2 chips over ACPI and ISA .El
p Note that the supported interface version is TIS1.2 in each case.
p The TPM may need to be enabled in the system's firmware or BIOS, which requires a reboot to take effect. This is generally beyond the control of .Nx . Enabling a TPM does not require using trusted boot \(em it can be enabled, for example, only for the .Xr rnd 4 entropy source. .Sh SEE ALSO .Xr config 1 , .Xr intro 4 , .Xr rnd 4 .Sh AUTHORS .An -nosplit The .Nm driver was written by .An Maxime Villard , .An Michael Shalayeff and .An Hans-Joerg Hoexer .
Indexes created Wed Sep 24 05:09:52 GMT 2025